16 definitions
by
CBNSK

Someone who is obsessed with games or tv shows that invovles action in an arena. This includes games that do not require a game system such as Beyblade, which is spinning your blade agaist other blades in an arena.

Gamer #1 "Did you hear about that dude who played Quake Arena for ten hours straight?"
Gamer #2 "No, but he definitely is an arenagist-jo-maniac."

Abbreviation for what the noob, which is the most powerful "what the" ever known. It outwits what the heck, what the hell, what the fu**, what the shit, what the damn, what the cows, etc. No origin of the word is available, but it was presumably started by teenagers in Hong Kong.